[netdrvr tulip] Remove ULi-specific code from generic tulip driver

It has a separate driver now, 'uli526x'.
diff --git a/drivers/net/tulip/tulip.h b/drivers/net/tulip/tulip.h
index 20346d8..05d2d96 100644
--- a/drivers/net/tulip/tulip.h
+++ b/drivers/net/tulip/tulip.h
@@ -88,7 +88,6 @@
 	I21145,
 	DM910X,
 	CONEXANT,
-	ULI526X
 };
 
 
@@ -482,11 +481,8 @@
 
 static inline void tulip_restart_rxtx(struct tulip_private *tp)
 {
-	if(!(tp->chip_id == ULI526X && 
-		(tp->revision == 0x40 || tp->revision == 0x50))) {
-		tulip_stop_rxtx(tp);
-		udelay(5);
-	}
+	tulip_stop_rxtx(tp);
+	udelay(5);
 	tulip_start_rxtx(tp);
 }